Engine Performance problem
2002 Acura RSX 4 cyl Front Wheel Drive Manual 010538 miles
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my car is misfire and rough idle i checked the car computer it give me the code multiply misfire p0300 i change the spark plug change the feul pump when i give gas to accelerate and when it reach 3000/4000 rpm the car begin to misfire and wont stop misfire what can be the problem. thank you for your help

Hi acurarsx27,

The misfiring could be due to insufficient fuel due to a clogged fuel filter or line, defective regulator.

If it is due to electrical, then the coil, crank and cam sensors needs to be checked.